







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateADU Company in Buda, TX
Fielding ADU Builders handles accessory dwelling units, garage conversions, and room additions in Buda, Texas. Buda’s mix of older lots without deed restrictions and newer subdivisions with strict HOA rules means the right build method changes from street to street, and we size each project to the land you actually own. The hot, humid summers here also push every design toward efficient cooling and proper drainage before the first wall goes up. If you’re considering an ADU in Buda, call (361) 309-9568 and we’ll put a written price in front of you.
Why Buda Homes Are Different

Buda grew fast from a small railroad town into a south Austin suburb, and that growth left two very different kinds of housing stock sitting side by side. The older neighborhoods around downtown Buda and along Main Street have homes from the early to mid-20th century on large lots, many still on septic systems. Those lots often have room for an ADU, but the septic question comes up quickly: adding a second dwelling frequently triggers a requirement to upgrade or expand the system, and that cost lands on top of the build. On the other side of town, the newer subdivisions have HOA covenants that limit or prohibit ADUs outright, even when the yard looks big enough. We check the rules before you spend money on design, because a plan that violates a covenant is a plan you paid for twice.
Climate shapes the work too. Buda summers run hot and humid, so any ADU here needs an HVAC design that removes moisture, not just heat. The occasional heavy rain and flash flooding means foundation and drainage planning has to account for where water actually goes on your lot, not where it looks like it should go on paper. These are the details that separate a unit you can rent from one you’re constantly drying out.
Our Main Buda Services
Most Buda homeowners call us about one of two projects: adding square footage to the house they already live in, or converting or building a separate unit for family or rental income. Each service has its own Buda page with the full pricing and process.
Room Addition Contractor in Buda
A room addition in Buda usually means expanding the footprint of a 20th-century home to match the way your family actually lives now. Older Buda houses were built with smaller bedrooms and single bathrooms, so the work often involves tying new foundation work to an existing slab or pier-and-beam system that has settled over the decades. We pull permits, match the roofline, and handle the utility connections so the addition doesn’t look or feel like an afterthought. Read more on our Room Addition Contractor in Buda page.

Garage Conversion Contractor in Buda
Garage conversions work well on many Buda lots because the structure already exists and the footprint stays inside your current property lines. That matters in neighborhoods with setback rules and in HOA communities where new construction gets more scrutiny than a conversion. The tradeoff on older Buda homes is the slab: many garages were poured as non-insulated, non-engineered slabs, and a livable conversion means addressing moisture, insulation, and sometimes the slab itself before framing begins. Details are on the Garage Conversion Contractor in Buda page.

ADU Builders in Buda
Building a detached ADU in Buda starts with your lot’s zoning, septic status, and HOA documents before we talk about floor plans. On older lots with no deed restrictions, a backyard ADU is often straightforward once utilities are sized correctly. In newer subdivisions, the HOA may prohibit detached units entirely, which is something we confirm in writing before you commit to design fees. We build both conventional ADUs with James Hardie siding and prefab units from manufacturers like Abodu and Cover. The full scope is on our ADU Builders in Buda page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Buda
We work with Abodu and Cover for prefab ADU platforms, and we build conventionally with James Hardie siding and Tuff Shed-style structures where the lot and budget call for it. Having several build methods in rotation means we aren’t steering every Buda homeowner toward the same answer. See our brands for the full range.
Pricing for ADU Company in Buda, TX
| Service | Typical range in Buda |
|---|---|
| Detached ADU (prefab, turnkey) | $160,000 – $260,000 |
| Detached ADU (conventional build) | $180,000 – $320,000 |
| Garage conversion to living space | $70,000 – $140,000 |
| Garage conversion with utility upgrade | $90,000 – $170,000 |
| Room addition (primary suite) | $90,000 – $180,000 |
| Room addition (two rooms) | $120,000 – $240,000 |
| Septic system upgrade or expansion | $10,000 – $30,000 |
| Foundation repair or reinforcement | $5,000 – $25,000 |
In Buda the two costs that catch homeowners off guard are septic system upgrades on older lots and foundation work on older slabs. The Garrison Standard means the price you approve on day one is the number on the final invoice, and we put that number in writing before any work starts.
Neighborhoods We Serve in Buda
We work across Buda and the surrounding Hays County area, from the older streets near downtown to the newer developments on the east and west sides of I-35. Response time for a free estimate is typically within a few business days depending on our current schedule.
- Downtown Buda / Main Street corridor
- Sunfield
- Shadow Creek
- Whispering Hollow
- Village of Sage Creek
Service Area – Cities Near Buda
Besides Buda, our crews serve nearby communities across the Austin metro and Hays County. If you’re in Austin, TX, San Marcos, TX, Manor, TX, or Pflugerville, TX, the same written-price and one-year guarantee applies.
Serving Buda, TX - Our Local Coverage Area
We’re based in the Buda area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About ADU Company in Buda

Once we’ve reviewed your lot’s zoning, septic status, and HOA documents, we can typically have a written price to you within a week or two. Scheduling the build depends on the city’s permit review timeline and our current project load. Call (361) 309-9568 and we’ll give you a realistic start window, not a sales pitch.
We pull all required permits for the work we do and build to code. HOA approval is between you and your association, but we’ll help you understand what the covenants actually require before you spend money on plans. We don’t start work on a project that lacks the paper trail to stand behind it.
No. The Garrison Standard is the price in writing before any work starts. If we find a condition we genuinely couldn’t see during estimating, we stop and bring it to you in writing before any additional cost is discussed. Call (361) 309-9568 for a free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Buda Customers Say
"Built a detached ADU behind our house. The builder is a veteran and runs the site like a platoon: schedule posted, crew on time, everything labeled. Finished within a few days of the date."
- Ken W."Good addition. Electrical inspection delayed a week, which was the county, but the build is great."
- Eva K."Room addition over the back patio. Framing is square, windows are tight, and the roofline matches."
- Danny L.





